The 'All School' view gives you the ability to view all your students, from all houses in one place.
You can see in this screenshot the 'House' | 'Group' information shows "All School | All Students". This means we are looking at all Houses and all Groups at once.
To narrow your view down to a House, please click anywhere in the red-box area. Example below:
iOS (iPhone iPad)
Home Board - All school view
Simply click the 'List Options' button in the top-right hand corner of the screen to access the filters.